Re: Minimum requirements for a NSAccessibility object?

What's the absolutely required methods and attributes that a generic NSAccessibility object must support to show up in Accessibility Verifier and Accessibility Inspector?

Currently they simply do not show my objects (and don't really help me in determining what's missing). I'm supporting the following methods:

// general

- (id)accessibilityHitTest:(NSPoint)point;

- (BOOL)accessibilityIsIgnored;

- (id)accessibilityFocusedUIElement;

// attributes

- (NSArray*)accessibilityAttributeNames;

- (id)accessibilityAttributeValue:(NSString*)attribute;

- (BOOL)accessibilityIsAttributeSettable:(NSString*)attribute;

// actions

- (NSArray*)accessibilityActionNames;

- (NSString*)accessibilityActionDescription:(NSString*)action;

- (void)accessibilityPerformAction:(NSString*)action;

I support no actions, and no settable attributes. Here are the attributes I support:

NSAccessibilityChildrenAttribute

NSAccessibilityParentAttribute

NSAccessibilityRoleAttribute

NSAccessibilitySubroleAttribute

NSAccessibilityRoleDescriptionAttribute

NSAccessibilityFocusedAttribute

NSAccessibilitySizeAttribute

NSAccessibilityPositionAttribute

NSAccessibilityWindowAttribute

AFAICS, I support all that are listed as mandatory in the API reference, and even some more.

I wish NSAccessibility had more stricts requirements. Right now I more or less have to guess what's missing or what's wrong.

Now and then, at the most, I get a NSException about some attribute in the Xcode debugger, but unfortunately it provides no information about what attribute emitted the error.

Any tips, or ideas are most welcome.

Regards,

Håkan Waara _______________________________________________

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